Java Doc for LockSet.java in  » Code-Analyzer » findbugs » edu » umd » cs » findbugs » ba » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Code Analyzer » findbugs » edu.umd.cs.findbugs.ba   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    edu.umd.cs.findbugs.ba.LockSet LockSet final public class LockSet (Code) Lock counts for values (as produced by ValueNumberAnalysis). A LockSet tells us the lock counts for all values in a method, insofar as we can accurately determine them. author:    David Hovemeyer See Also:   ValueNumberAnalysis Field Summary final public static  int BOTTOM      An invalid lock count resulting from the meet of two different (inconsistent) lock counts. final public static  int TOP      An uninitialized lock value. Constructor Summary public   LockSet()      Constructor. Method Summary public  void clear()      Clear all entries out of this LockSet. public  boolean containsReturnValue(ValueNumberFactory factory)      Determine whether or not this lock set contains any locked values which are method return values. public  void copyFrom(LockSet other)      Make this LockSet the same as the given one. public  int getLockCount(int valueNumber)      Get the lock count for given lock object. public  Collection<ValueNumber> getLockedValueNumbers(ValueNumberFrame frame)      public  int getNumLockedObjects()      Get the number of distinct lock values with positive lock counts. public  void intersectWith(LockSet other)      Destructively intersect this lock set with another. public  boolean isEmpty()      Return whether or not this lock set is empty, meaning that no locks have a positive lock count. public  boolean isTop()      public  void meetWith(LockSet other)      Meet this LockSet with another LockSet, storing the result in this object. public  boolean sameAs(LockSet other)      Return whether or not this LockSet is the same as the one given. public  void setDefaultLockCount(int defaultLockCount)      Set the default lock count to return for nonexistent lock entries. public  void setLockCount(int valueNumber, int lockCount)      Set the lock count for a lock object. public  String toString()      Field Detail BOTTOM final public static int BOTTOM(Code) An invalid lock count resulting from the meet of two different (inconsistent) lock counts. TOP final public static int TOP(Code) An uninitialized lock value. Constructor Detail LockSet public LockSet()(Code) Constructor. Creates an empty lock set which returns TOP for nonexistent lock entries. Method Detail clear public void clear()(Code) Clear all entries out of this LockSet. containsReturnValue public boolean containsReturnValue(ValueNumberFactory factory)(Code) Determine whether or not this lock set contains any locked values which are method return values. Parameters:   factory - the ValueNumberFactory that produced the lock values copyFrom public void copyFrom(LockSet other)(Code) Make this LockSet the same as the given one. Parameters:   other - the LockSet to copy getLockCount public int getLockCount(int valueNumber)(Code) Get the lock count for given lock object. Parameters:   valueNumber - value number of the lock object the lock count for the lock object getLockedValueNumbers public Collection<ValueNumber> getLockedValueNumbers(ValueNumberFrame frame)(Code) Parameters:   frame - a set of the locked value numbers getNumLockedObjects public int getNumLockedObjects()(Code) Get the number of distinct lock values with positive lock counts. intersectWith public void intersectWith(LockSet other)(Code) Destructively intersect this lock set with another. Note that this is not a dataflow merge: we are interested in finding out which locks are held in both sets, not in the exact lock counts. Parameters:   other - the other LockSet isEmpty public boolean isEmpty()(Code) Return whether or not this lock set is empty, meaning that no locks have a positive lock count. true if no locks are held, false if at leastone lock is held isTop public boolean isTop()(Code) meetWith public void meetWith(LockSet other)(Code) Meet this LockSet with another LockSet, storing the result in this object. Parameters:   other - the other LockSet sameAs public boolean sameAs(LockSet other)(Code) Return whether or not this LockSet is the same as the one given. Parameters:   other - the other LockSet setDefaultLockCount public void setDefaultLockCount(int defaultLockCount)(Code) Set the default lock count to return for nonexistent lock entries. Parameters:   defaultLockCount - the default lock count value setLockCount public void setLockCount(int valueNumber, int lockCount)(Code) Set the lock count for a lock object. Parameters:   valueNumber - value number of the lock object Parameters:   lockCount - the lock count for the lock toString public String toString()(Code) Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)